A randomized 25 question test from a pool of 761 questions, good luck!
Historical data can be logged through a HMI application. Which of the data storage methods below would best be described as one that looses resolution of the data, although reduces the volume of data?
Using the table below, Select the answer below that best represents an asychronous transmission of the letter "Y" with 7 data bits, two stop bits, and even parity?
In IPv4, the user datagram protocol has less latency and measurable greater data throughput. Which of the answers below can be a drawback of this protocol?
There are many versions of Modbus, one of those is Modbus ASCII. Which of the answers below correctly orders the components of the Modbus ASCII frame?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that coverts the analog signals from T/Cs and RTDs to a digital signal?
Which of the messaging types below is best described as direct communication with a field device initiated by the scanner module?
Which of the terms below can be best described as a segment communication scheduling device in an H1 transmission system?
There are several layer within the a typical DCS., each with it's own responsibilities. Which of the levels below is responsible for the maintenance and configuration of the control system?
Which answer below best represents the recommended standard for a null modem cable?
The addition of BCC to the message frame increases the efficiency of detecting errors in transmissions. which one of the error check systems based on a mathematical expression and is available to be used on data frames too large for any other method of error checking?
RS-232 to USB is the best example of which of the following converters?
A DCS collects a lot of data during the course of operating. Which of the terms below would best describe the system where data is collected and organized?
Data communication in a DCS takes the form of various networks. Which of the networks below connect servers that share control data over redundant networks?
Voltage to voltage converters are best defined as which of the answers below?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the router interacts with?
Which of the answers below best describes the cable used for the drop lines in the DeviceNet transmission system?
The standard recommended by ISA-18.2 is for 3-4 priority level alarms to be used. Which of the alarm priority levels below should have the longest response times?
The HMI in a SCADA system uses typical hardware and software. Which of the environments below would the HMI reside?
Which of the answers below best represents the required nominal impedance of the data pair cabling in the DeviceNet system?
Which answer below is best described as the RS-232 standard for voltage range to receive a "Space"?
Which of the answers below represents one of the types of cables not available for use in a Foundation fieldbus H1 transmission system?
Which of the answers below best represents the affect of superimposed voltage or current on a signal?
Which answer below is best described as the RS-485 standard for voltage range to receive a "Space"?
Providing power to remote sites in a SCADA system has several difficulties associated with it. Which of the answers below would be best defined as one that is power generating 24 hours of the day under the right conditions?
Parameter settings program the behavior of the function block. Which of the parameters below can be described as one that receives data from another block?